21086923

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{883}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 24950016

約数和(自身を除く): 3863093

約数列:

[1, 11, 13, 143, 167, 883, 1837, 2171, 9713, 11479, 23881, 126269, 147461, 1622071, 1916993, 21086923]

約数ペア:

[(1, 21086923), (11, 1916993), (13, 1622071), (143, 147461), (167, 126269), (883, 23881), (1837, 11479), (2171, 9713)]